* {
    margin: 0;
    padding: 0;
  }
.contentNav{
    width: 796px;
}
.content{
    width: 796px;
    border: 2px solid rgb(171, 171, 175);
    padding: 10px 10px;
}

.contentNav{
    display: flex;
    justify-content:space-between;
    align-items: center;

}

.contentNav button,.content button{
    color: white;
    background: rgb(85, 136, 224);
    width: 100px;
    border: 2px solid rgb(171, 171, 175);
}

.content textarea{
    width: 200px;
    height: 100px;
}

.show{
    padding: 10px 10px;
}
.content div{
    padding: 10px 10px;
}